1. Department of Oral and Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry Qassim University, Qassim, Saudi Arabia
2. Department of Oral and Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, USA
3. Department of Pathology, Immunology and Laboratory Medicine, University of Florida College of Medicine, Gainesville, USA
4. Department of Pathology, Kaiser Permanente Sacramento Medical Center, Sacramento, USA